... with complexed shape; 5.No burrs. This blank metal filter plate will be stamped and to be used in the ... firm),Etching out by chemical liquid corrosion,Final Cleaning (special equipment for cleaning),Checking by high presicion checing equipment,Packing (as ... . End use: metal mobile keyboard, precise filter, shaped wire mesh, nameplate, juice machine filter, razor sheet, precise elecronics parts, ani- ...